| | Pratt & Whitney R-1830 Twin Wasp Aircraft Engine | The Pratt & Whitney R-1830 Twin Wasp is a thirty Litre 14 cylinder twin-row air-cooled aero engine designed in the early 1930's and first run in 1932. The R-1830 Twin Wasp proved to be very reliable and easy to maintain, the engine powered numerous WW2 aircraft, there are instances of aircraft losing a cylinder completely in action and still managing to fly back to base. |
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W2 dramatically increased the need for aero-engines and the use of the Pratt & Whitney R-1830 Twin Wasp in fighters, transports, bombers and even flying boats, resulted in a total production of 173,618 Pratt & Whitney R-1830 Twin Wasp's being produced. Numerous variants of the engine were produced with power outputs between 600 and 1,200 Hp. Pratt & Whitney R-1830-S1C-G Twin Wasp Specifications: Type: Fourteen cylinder twin-row OHV supercharged air-cooled radial engine Bore: 5.5 in (139.7 mm) Stroke: 5.5 in (139.7 mm) Displacement: 1,829.4 in³ (30 litre) Length: 59.06 in (1,500 mm) Diameter: 48.03 in (1,220 mm) Dry weight: 1,250 lb (567 kg) Supercharger: Single-speed General Electric centrifugal type supercharger, 7.15:1 reduction Fuel system: Two-barrel Stromberg carburettor Fuel type: 95-100 octane rating gasoline Reduction gear: Epicyclic gearing, 2:3
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Pratt & Whitney R-1830-S1C-G Twin Wasp Power output: 1,200 hp (895 kW) at 2,700 rpm for takeoff 700 hp (522 kW) at 2,325 rpm cruise power at 13,120 ft (4,000 m) Specific power: 0.66 hp/in³ (29.83 kW/l) Compression ratio: 6.7:1 Specific fuel consumption: 0.49 lb/(hp•h) (295 g/(kW•h)) Power-to-weight ratio: 0.96 hp/lb (1.58 kW/kg) |
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Pratt & Whitney R-1830 Twin Wasp Aircraft Engine
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Pratt & Whitney R-1830 Twin Wasp Aircraft Engine Specifications |
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